In my mind, an easy way - before development your application to think over what names of variables you will use. Perl give us wild free hand but you should control an architecture of your application. 
      
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SV* sv_bless(SV* sv, HV* stash);

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In reply to Re: Prohibiting redeclaration of lexicals in inner scope by nite_man
in thread Prohibiting redeclaration of lexicals in inner scope by JohnLon

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